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<h1>hitechnic-eopd-test1.c</h1>  </div>
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<div class="fragment"><pre class="fragment"><span class="preprocessor">#pragma config(Sensor, S1,     HTEOPD,              sensorAnalogActive)</span>
<span class="preprocessor"></span><span class="comment">//*!!Code automatically generated by &#39;ROBOTC&#39; configuration wizard               !!*//</span>

<span class="comment">/*</span>
<span class="comment"> * $Id: hitechnic-eopd-test1.c 133 2013-03-10 15:15:38Z xander $</span>
<span class="comment"> */</span>
<span class="comment"></span>
<span class="comment">/**</span>
<span class="comment"> * HTCS-driver.h provides an API for the HiTechnic EOPD Sensor.  This program</span>
<span class="comment"> * demonstrates how to use that API.</span>
<span class="comment"> *</span>
<span class="comment"> * Changelog:</span>
<span class="comment"> * - 0.1: Initial release</span>
<span class="comment"> * - 0.2: Nicer intro</span>
<span class="comment"> * - 0.3: More comments</span>
<span class="comment"> * - 0.4: Removed common.h from includes</span>
<span class="comment"> *</span>
<span class="comment"> * Credits:</span>
<span class="comment"> * - Big thanks to HiTechnic for providing me with the hardware necessary to write and test this.</span>
<span class="comment"> *</span>
<span class="comment"> * License: You may use this code as you wish, provided you give credit where it&#39;s due.</span>
<span class="comment"> *</span>
<span class="comment"> * THIS CODE WILL ONLY WORK WITH ROBOTC VERSION 3.59 AND HIGHER. </span>
<span class="comment"></span>
<span class="comment"> * Xander Soldaat (xander_at_botbench.com)</span>
<span class="comment"> * 20 February 2011</span>
<span class="comment"> * version 0.4</span>
<span class="comment"> */</span>

<span class="preprocessor">#include &quot;<a class="code" href="hitechnic-eopd_8h.html" title="HiTechnic EOPD Sensor driver.">drivers/hitechnic-eopd.h</a>&quot;</span>

 <span class="comment">/*</span>
<span class="comment">  =============================================================================</span>
<span class="comment">  main task with some testing code</span>
<span class="comment"></span>
<span class="comment"> */</span>
task main() {
  <span class="keywordtype">int</span> _raw = 0;
  <span class="keywordtype">int</span> _processed = 0;

  <span class="comment">// Standard range is set to short range</span>
  <span class="keywordtype">bool</span> shortrange = <span class="keyword">true</span>;

  nNxtButtonTask  = -2;

  eraseDisplay();

  nxtDisplayCenteredTextLine(0, <span class="stringliteral">&quot;HiTechnic&quot;</span>);
  nxtDisplayCenteredBigTextLine(1, <span class="stringliteral">&quot;EOPD&quot;</span>);
  nxtDisplayCenteredTextLine(3, <span class="stringliteral">&quot;Test 1&quot;</span>);
  nxtDisplayCenteredTextLine(5, <span class="stringliteral">&quot;Press enter to&quot;</span>);
  nxtDisplayCenteredTextLine(6, <span class="stringliteral">&quot;switch between&quot;</span>);
  nxtDisplayCenteredTextLine(7, <span class="stringliteral">&quot;ranges&quot;</span>);
  wait1Msec(2000);
  eraseDisplay();

  <span class="comment">// Set the sensor to short range</span>
  <a name="a0"></a><a class="code" href="group__hteopd.html#gaf95913439d7d77fb964801a2e3ddc005">HTEOPDsetShortRange</a>(HTEOPD);

  <span class="keywordflow">while</span>(<span class="keyword">true</span>) {
    <span class="keywordflow">if</span> (time1[T1] &gt; 1000) {
      <span class="keywordflow">if</span> (shortrange == <span class="keyword">false</span>) {
        <span class="comment">// set the sensor to short range and display this</span>
        <a class="code" href="group__hteopd.html#gaf95913439d7d77fb964801a2e3ddc005">HTEOPDsetShortRange</a>(HTEOPD);
        nxtDisplayClearTextLine(1);
        nxtDisplayTextLine(1, <span class="stringliteral">&quot;Short range&quot;</span>);
        shortrange = <span class="keyword">true</span>;
      } <span class="keywordflow">else</span> {
        <span class="comment">// set the sensor to long range and display this</span>
        <a name="a1"></a><a class="code" href="group__hteopd.html#ga13a7ab87ae28f8a4049ab17b946d9fc0">HTEOPDsetLongRange</a>(HTEOPD);
        nxtDisplayClearTextLine(1);
        nxtDisplayTextLine(1, <span class="stringliteral">&quot;Long range&quot;</span>);
        shortrange = <span class="keyword">false</span>;
      }
            PlaySound(soundBeepBeep);
            <span class="keywordflow">while</span>(bSoundActive)
      time1[T1] = 0;
    }

    <span class="keywordflow">while</span>(nNxtButtonPressed != kEnterButton) {
      <span class="comment">// Read the raw sensor value</span>
      _raw = <a name="a2"></a><a class="code" href="group__hteopd.html#ga3f547f6dd5a064212679664a8fa28740">HTEOPDreadRaw</a>(HTEOPD);

      <span class="comment">// read the processed value which is linear with</span>
      <span class="comment">// the distance detected.  Use the processed value</span>
      <span class="comment">// when you want to determine distance to an object</span>
      _processed = <a name="a3"></a><a class="code" href="group__hteopd.html#ga22f08808b59ac2dfa8b737767f26be35">HTEOPDreadProcessed</a>(HTEOPD);
      nxtDisplayClearTextLine(3);
      nxtDisplayClearTextLine(4);
      nxtDisplayTextLine(4, <span class="stringliteral">&quot;Proc:  %4d&quot;</span>, _processed);
      nxtDisplayTextLine(3, <span class="stringliteral">&quot;Raw :  %4d&quot;</span>, _raw);
      wait1Msec(50);
    }
  }
}

<span class="comment">/*</span>
<span class="comment"> * $Id: hitechnic-eopd-test1.c 133 2013-03-10 15:15:38Z xander $</span>
<span class="comment"> */</span>
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